[vtkusers] vtkDataObject vs. vtkPointSet

[Mathieu Malaterre]

> demo2.cpp: In function ‘int main(int, char**)’:
> demo2.cpp:73: error: invalid conversion from ‘vtkDataObject*’ to 
> ‘vtkPointSet*’
> 
> What might I doing wrong?

When all else fail, read the instructions:

http://www.vtk.org/Wiki/VTK_FAQ

http://www.vtk.org/Wiki/VTK_FAQ#Forward_declaration_in_VTK_4.x
http://www.vtk.org/Wiki/VTK_FAQ#The_C.2B.2B_compiler_cannot_convert_some_pointer_type_to_another_pointer_type_in_my_little_program

:)
Mathieu